Arithmetic Series Application

Arithmetic Series Application

9th Grade

10 Qs

quiz-placeholder

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Arithmetic Series Application

Arithmetic Series Application

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.BF.A.2

Standards-aligned

Created by

Barbara White

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Which of the following is a formula for arithmetic series?

A) 𝑆𝑛 = 12 (𝑎1 + 𝑎𝑛)

B) 𝑆𝑛 = 12\frac{1}{2}(𝑎1 + 𝑑)

C) 𝑆𝑛 = n2\frac{n}{2}(𝑎1 + 𝑎𝑛)

D) 𝑆𝑛 = n2\frac{n}{2}(𝑎1 + 𝑑𝑎𝑛)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Find the sum of the first 12 terms of the arithmetic sequence 4, 11, 18, …

A) 610

B) 510

C) 530

D) 410

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Find the sum of the first 15 terms of the arithmetic sequence 17, 12, 7, 2, …

A) 270

B) 287

C) −287

D) −270

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. The sum of the first 12 terms of an arithmetic sequence is 606. What is a1 if the last term is 67 and d is 3?

A) 64

B) 54

C) 34

D) 44

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. The second term of an arithmetic sequence is −16 and the eighth term is 8. What is the sum of the first 10 terms?

A) -15

B) -20

C) 15

D) 20

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. Find the sum of the first 40 terms of the arithmetic sequence if the first term is 16 and the tenth term is 70.

A) 5,320

B) 1,720

C) 2,200

D) 6,320

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. Find the sum of the first 15th terms of the arithmetic sequence whose nth term is 𝑎𝑛 = 5 + 3𝑛.

A) 435

B) 860

C) 870

D) 430

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